70319340 has 336 divisors, whose sum is σ = 277639488. Its totient is φ = 14556672.

The previous prime is 70319339. The next prime is 70319383. The reversal of 70319340 is 4391307.

70319340 is a `hidden beast` number, since 7 + 0 + 319 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1326754 + ... + 1326806.

It is an arithmetic number, because the mean of its divisors is an integer number (826308).

Almost surely, 2^70319340 is an apocalyptic number.

70319340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70319340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138819744).

70319340 is an abundant number, since it is smaller than the sum of its proper divisors (207320148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70319340 is a wasteful number, since it uses less digits than its factorization.

70319340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 70319340 is about 8385.6627645047. The cubic root of 70319340 is about 412.7542894896.

The spelling of 70319340 in words is "seventy million, three hundred nineteen thousand, three hundred forty".